The following bibliography has been generated by bringing together all references provided by our content partners. There may be duplication.


  • Acta Universitatis Lundensis 2(36): 48. 1940. (Acta Univ. Lund.)
  • Acta Universitatis Lundensis 2(36): 49. 1940. (Acta Univ. Lund.)
  • Bailey, L.H. & E.Z. Bailey. 1976. Hortus Third i–xiv, 1–1290. MacMillan, New York.
  • Hortus Kewensis 1: 67. 1789. (Hort. Kew.)


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